Despite being initially skeptical about spiritualism, he attended séances with the medium Helen Duncan which he was convinced were genuine.
After attending other séances he became a medium himself and claimed the ability to materialise spirit guides.
Harris only worked in dark conditions with a cabinet in a curtained-off alcove from his audience where the spirits were reported to emerge.
According to the sitters who had touched the figures, their skin felt coarse and rough even though some were supposed to be female.
[3] The spirit figures were also reported to creak and move floorboards as they walked on them, indicating that they were human.